TY  - JOUR
AU  - S. N. Samborskiǐ
AU  - M. A. Fel'dman
TI  - Connected systems of partial differential equations (initial-boundary value problems and propagation of singularities)
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1987
SP  - 14
EP  - 23
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1987_10_a3/
LA  - ru
ID  - IVM_1987_10_a3
ER  -